how to add a members directory sidebar ?

1. Add the code snippet below to the file "bp-custom.php" in the path "wp-content/plugins" :

https://gist.github.com/KaineLabs/c285ba7637de3fc45f0220156f9926ae

Ps: if you didn't find the file "bp-custom.php", just create a new one.

2. Go to the Wordpress Dashboard > Appearance > Widgets.

3. Add your widgets to the sidebar named "Members Directory Sidebar".